From ca7c46e535ac60a976a8c60477fa9424c46b6e3f Mon Sep 17 00:00:00 2001
From: alyx <alyx@aleteoryx.me>
Date: Fri, 5 Apr 2024 13:30:39 -0400
Subject: lua loading

---
 src/theming/lua.rs | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 60 insertions(+), 4 deletions(-)

(limited to 'src/theming/lua.rs')

diff --git a/src/theming/lua.rs b/src/theming/lua.rs
index 22ad4d6..c9168cb 100644
--- a/src/theming/lua.rs
+++ b/src/theming/lua.rs
@@ -1,13 +1,16 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 use std::sync::LazyLock;
-use std::collections::BTreeMap;
 use std::ops::Deref;
+use std::path::Path;
 
 use tokio::sync::Mutex;
-use mlua::*;
+use mlua::{Lua, Compiler, StdLib, Value, LuaOptions};
+use http::StatusCode;
 
 use crate::CONFIG;
 
+static INTERNAL_THEMES: &[(&str, &str)] = &[];
+
 static LUA: LazyLock<Mutex<Lua>> = LazyLock::new(|| {
   let stdlib = StdLib::TABLE | StdLib::STRING | StdLib::UTF8 | StdLib::BIT | StdLib::MATH;
   let lua = Lua::new_with(stdlib, LuaOptions::new().thread_pool_size(2)).expect("lua initialization");
@@ -23,13 +26,66 @@ static LUA: LazyLock<Mutex<Lua>> = LazyLock::new(|| {
     .set_compiler(Compiler::new().set_optimization_level(2).set_debug_level(1))
     .eval()
     .expect("expect.lua loading");
-  lua.globals().set("expect", expect);
+  lua.globals().set("expect", expect).unwrap();
 
   let html: Value = lua.load(include_str!("lua-lib/html.lua"))
     .set_compiler(Compiler::new().set_optimization_level(2).set_debug_level(1))
     .eval()
     .expect("html.lua loading");
-  lua.globals().set("html", html);
+  lua.globals().set("html", html).unwrap();
+
+  let themes = lua.create_table().expect("creating themes table");
+
+  for (k, v) in INTERNAL_THEMES {
+    let _ = themes.set(*k, lua.load(*v).into_function().expect("loading internal theme"));
+  }
+
+  if let Some(theme_dir) = CONFIG.theme_dir.as_ref() {
+    for (k, v) in walk_dir(theme_dir.as_ref().as_ref()).expect("walking theme dir") {
+      let _ = themes.set(k, lua.load(v).into_function().expect("loading internal theme"));
+    }
+  }
+
+  let _ = lua.globals().set("__themes", themes).unwrap();
+
+  lua.globals().set_readonly(true);
 
   Mutex::new(lua)
 });
+
+fn walk_dir(path: &Path) -> std::io::Result<Vec<(String, String)>> {
+  use std::fs;
+
+  let mut path_bits = vec![];
+  let mut dir_readers = vec![fs::read_dir(path)?];
+
+  let mut ret = vec![];
+
+  while let Some(r) = dir_readers.iter_mut().last() {
+    if let Some(ent) = r.next() {
+      let ent = ent?;
+      let name = ent.file_name().into_string().expect("why do you have such FUCKED UP FILE PATHS");
+      let ty = ent.file_type()?;
+      if ty.is_file() && name.ends_with(CONFIG.theme_ext_lua.as_ref()) {
+        ret.push((path_bits.join("") + &name, fs::read_to_string(ent.path())?));
+      }
+      else if ty.is_dir() {
+        path_bits.push(name);
+        dir_readers.push(fs::read_dir(ent.path())?);
+      }
+    }
+    else {
+      dir_readers.pop();
+    }
+  }
+
+  Ok(ret)
+}
+
+pub fn touch() {
+  let _ = LUA.deref();
+}
+
+pub fn render_theme(name: &str, ctx: &crate::ctx::Ctx) -> Option<Result<String, StatusCode>> {
+  return None
+}
-- 
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